content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.*;
  import org.junit.Test;
  
  import java.io.IOException;
  
  public class FolyamFilterWhenTest {
  
      @Test
      public void standard() {
          TestHelper.assertResult(
                  Folyam.range(1, 5)
                  .filterWhen(v -> Folyam.just(true))
                  , 1, 2, 3, 4, 5
          );
      }
  
  
      @Test
      public void standardHide() {
          TestHelper.assertResult(
                  Folyam.range(1, 5)
                          .filterWhen(v -> Folyam.just(true).hide())
                  , 1, 2, 3, 4, 5
          );
      }
  
  
      @Test
      public void standard1() {
          TestHelper.assertResult(
                  Folyam.range(1, 5)
                          .filterWhen(v -> Folyam.just(true), 1)
                  , 1, 2, 3, 4, 5
          );
      }
  
  
      @Test
      public void standard1Hide() {
          TestHelper.assertResult(
                  Folyam.range(1, 5)
                          .filterWhen(v -> Folyam.just(true).hide(), 1)
                  , 1, 2, 3, 4, 5
          );
      }
  
      @Test
      public void standard2() {
          TestHelper.assertResult(
                  Folyam.range(1, 5)
                          .filterWhen(v -> Folyam.just(false))
          );
      }
  
  
      @Test
      public void standard2Hide() {
          TestHelper.assertResult(
                  Folyam.range(1, 5)
                          .filterWhen(v -> Folyam.just(false).hide())
          );
      }
  
      @Test
      public void standard3() {
          TestHelper.assertResult(
                  Folyam.range(1, 5)
                          .filterWhen(v -> Folyam.empty())
          );
      }
  
  
      @Test
      public void standard3Hide() {
          TestHelper.assertResult(
                  Folyam.range(1, 5)
                          .filterWhen(v -> Folyam.<Boolean>empty().hide())
          );
      }
  
      @Test
      public void error() {
          Folyam.error(new IOException())
                  .filterWhen(v -> Folyam.just(true))
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void errorConditional() {
          Folyam.error(new IOException())
                  .filterWhen(v -> Folyam.just(true))
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void filterCrash() {
          Folyam.just(1)
                  .filterWhen(v -> { throw new IOException(); })
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void filterCrashConditional() {
          Folyam.just(1)
                  .filterWhen(v -> { throw new IOException(); })
                  .filter(v -> true)
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void filterCrashDelayError() {
          Folyam.just(1)
                  .filterWhenDelayError(v -> { throw new IOException(); })
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void filterCrashDelayErrorConditional() {
          Folyam.just(1)
                  .filterWhenDelayError(v -> { throw new IOException(); })
                  .filter(v -> true)
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void filterError() {
          Folyam.range(1, 5)
                  .filterWhen(v -> Folyam.error(new IOException()))
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void filterErrorHidden() {
          Folyam.range(1, 5)
                  .filterWhen(v -> Folyam.<Boolean>error(new IOException()).hide())
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void filterErrorConditional() {
          Folyam.range(1, 5)
                  .filterWhen(v -> Folyam.error(new IOException()))
                  .filter(v -> true)
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void filterErrorHiddenConditional() {
          Folyam.range(1, 5)
                  .filterWhen(v -> Folyam.<Boolean>error(new IOException()).hide())
                  .filter(v -> true)
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void filterDelayError() {
          Folyam.range(1, 3)
                  .filterWhenDelayError(v -> {
                      if (v == 2) {
                          return Folyam.error(new IOException());
                      }
                      return Folyam.just(true);
                  })
                  .test()
                  .assertFailure(IOException.class, 1, 3);
      }
  
      @Test
      public void filterDelayErrorConditional() {
          Folyam.range(1, 3)
                  .filterWhenDelayError(v -> {
                      if (v == 2) {
                          return Folyam.error(new IOException());
                      }
                      return Folyam.just(true);
                  })
                  .filter(v -> true)
                  .test()
                  .assertFailure(IOException.class, 1, 3);
      }
  
      @Test
      public void longEmpty() {
          Folyam.range(1, 1000)
                  .filterWhen(v -> Folyam.empty())
                  .test()
                  .assertResult();
      }
  
  
      @Test
      public void longEmptyHidden() {
          Folyam.range(1, 1000)
                  .filterWhen(v -> Folyam.<Boolean>empty().hide())
                  .test()
                  .assertResult();
      }
  
  
      @Test
      public void longEmptyConditional() {
          Folyam.range(1, 1000)
                  .filterWhen(v -> Folyam.empty())
                  .filter(v -> true)
                  .test()
                  .assertResult();
      }
  
  
      @Test
      public void longEmptyHiddenConditional() {
          Folyam.range(1, 1000)
                  .filterWhen(v -> Folyam.<Boolean>empty().hide())
                  .filter(v -> true)
                  .test()
                  .assertResult();
      }
  }
  